The option creates a buffer where each bit stores whether the
corresponding 4096 byte memory section has been allocated. The helper
radv_build_is_valid_va allows for querying the validity of addresses
inside a nir shader which can be useful for debugging.
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34392>
Georg Lehmann